Hints: 1. A crazy yellow triangle that works in a restaurant as a waiter, he's a Greek Letter.
2. A Kappa fan that chases Kappa every time he sees him, he's an Archaic Greek Letter.
3. A cartoonic orange version of Ж.
4. The cat that always says LugaLugaLugaLugaLugaLugaLugaLugaLugaLugaLuga and became famous bc of The Kiffness.